The Shoreline at Sunset by Ray Bradbury (F&SF, March 1959) begins with two men on the beach prospecting for lost change. We discover that they share a house, and watch as their discussion turns to the stream of women (and unsuccessful relationships) that have passed through their lives. Tom suggests to Chico that they may have more romantic success if they live apart, just before they are interrupted by a boy saying that he has found a mermaid. The men soon find themselves looking at a seemingly alive but unconscious creature that is half woman, half fish:
The lower half of her body changed itself from white to very pale blue, from very pale blue to pale green, from pale green to emerald green, to moss and lime green, to scintillas and sequins all dark green, all flowing away in a fount, a curve, a rush of light and dark, to end in a lacy fan, a spread of foam and jewel on the sand. The two halves of this creature were so joined as to reveal no point of fusion where pearl woman, woman of a whiteness made of creamwater and clear sky, merged with that half which belonged to the amphibious slide and rush of current that came up on the shore and shelved down the shore, tugging its half toward its proper home. The woman was the sea, the sea was woman. There was no flaw or seam, no wrinkle or stitch; the illusion, if illusion it was, held perfectly together and the blood from one moved into and through and mingled with what must have been the ice-waters of the other. p. 72 (The Year’s Best SF #5, edited by Judith Merril, 1961)
Chico decides that they can sell the creature to an exhibition or a carnival, and rushes off to get a truck full of ice; Tom is more ambivalent, and (spoiler) stays behind to watch over the creature—but does nothing when the waves gradually wash the mermaid back into the sea.
I thought perhaps the mermaid was a metaphor for the women or the relationships that the men can’t keep but, whatever the story is about, it is typical of later Bradbury, i.e. more a prose poem than a story.
** (Average). 3,350 words.